摘要
本文以EXAFS方法研究了化学键联的四核铁-钴羰基簇[Co_(?)Fe(CO)_(12)]^-的表面结构。结果显示担载后Co—Co键长缩短0.04(?),Co—C和Co—Fe键长分别增长0.03和0.08(?),说明FeCo_3的四面体簇骼在担载后更大地偏离开理想的正四面体。
The surface strueture of chemical bonded cobalt-iron tetranuelear carbonyl cluster [Co_3Fe(CO)_(12)]^- has been determined by EXAFS and shown that the Co—Co bond decreased by 0.04(), the Co—C and Co—Fe increased by 0.03 and 0.08() after supported. The result demonstrates that, after supported, the framework of the cluster tends to deviate from idealized tetrahedron more than before.
出处
《化学学报》
SCIE
CAS
CSCD
北大核心
1990年第9期873-878,共6页
Acta Chimica Sinica
基金
国家自然科学基金
